modiloader | bfe93ab65f358e8f3afd02c4300bfc270ee89c68051b2a96a5eb3a3a6c8508b6

General

Target

e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
Size

310KB
MD5

e08fd799cf4b7aec2bf8208b9dfee0de
SHA1

58ab10d5ce9e6ab95122b91baecbc9c98e87a427
SHA256

bfe93ab65f358e8f3afd02c4300bfc270ee89c68051b2a96a5eb3a3a6c8508b6
SHA512

0c916d9255a677c94b7a2bc62bbeccc2ef27c7965f8608149f9e9cf76c9bb532035bcdd0b94508441768cf208dfa7ce2583e7ab2a2675ca4386c3747fcd800d2
SSDEEP

6144:4GyjnBSkuV1d4eZd88ORJIf/wTBt530yqpck3coS:jYnBSkuVUeZdYqwTYdcoS

Score

10^/10

modiloader discovery evasion persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 5 IoCs

resource	yara_rule
behavioral1/memory/2848-0-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2848-14-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055cf-13.dat	modiloader_stage2
behavioral1/memory/2848-9-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1952-24-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1952	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1952	mstwain32.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2848-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2848-14-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/files/0x00060000000055cf-13.dat	upx
behavioral1/memory/2848-9-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1952-24-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
Token: SeBackupPrivilege	2776	vssvc.exe
Token: SeRestorePrivilege	2776	vssvc.exe
Token: SeAuditPrivilege	2776	vssvc.exe
Token: SeDebugPrivilege	1952	mstwain32.exe
Token: SeDebugPrivilege	1952	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2848	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1952	mstwain32.exe
1952	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1952	2848	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe	34
PID 2848 wrote to memory of 1952	2848	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe	34
PID 2848 wrote to memory of 1952	2848	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe	34
PID 2848 wrote to memory of 1952	2848	e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe	34

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e08fd799cf4b7aec2bf8208b9dfee0de_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1952

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
310KB

MD5
e08fd799cf4b7aec2bf8208b9dfee0de

SHA1
58ab10d5ce9e6ab95122b91baecbc9c98e87a427

SHA256
bfe93ab65f358e8f3afd02c4300bfc270ee89c68051b2a96a5eb3a3a6c8508b6

SHA512
0c916d9255a677c94b7a2bc62bbeccc2ef27c7965f8608149f9e9cf76c9bb532035bcdd0b94508441768cf208dfa7ce2583e7ab2a2675ca4386c3747fcd800d2

Download Submit
memory/1952-24-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1952-23-0x0000000076050000-0x0000000076140000-memory.dmp

Filesize
960KB

Download
memory/1952-28-0x0000000076050000-0x0000000076140000-memory.dmp

Filesize
960KB

Download
memory/1952-26-0x00000000003D0000-0x00000000003D8000-memory.dmp

Filesize
32KB

Download
memory/1952-27-0x0000000000710000-0x000000000071E000-memory.dmp

Filesize
56KB

Download
memory/1952-25-0x0000000076050000-0x0000000076140000-memory.dmp

Filesize
960KB

Download
memory/1952-18-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1952-19-0x0000000000710000-0x000000000071E000-memory.dmp

Filesize
56KB

Download
memory/1952-21-0x0000000076060000-0x0000000076061000-memory.dmp

Filesize
4KB

Download
memory/1952-22-0x0000000076050000-0x0000000076140000-memory.dmp

Filesize
960KB

Download
memory/2848-2-0x0000000003F50000-0x0000000003F51000-memory.dmp

Filesize
4KB

Download
memory/2848-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2848-9-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2848-1-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2848-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2848-7-0x0000000004810000-0x0000000004820000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads